Electronics Forum | Wed Mar 12 13:16:42 EDT 2008 | ipdisplays
Hi All, I know some of this has been covered - but nothing recent that I could find - so please bear with me... Seems like the used/refurb market is kind of fluid so would like some current thoughts.... I'm looking to setup an inexpensive prototype
Electronics Forum | Tue Oct 07 12:35:10 EDT 2008 | andy_pal
Hi All, I am using COB on my DOUBLE SIDED PCB. lastly we used Eletrolytic Ni / Flash Gold Plating. Our Boards vias Failed the UL corrosion Test. we did some cross-section analysis and found 10.75 �m of Nickel and 0.022 um of Gold and as the Process
Electronics Forum | Wed Nov 19 20:07:05 EST 2008 | davef
First, it's GREAT to have a long-term lurker posting here on SMTnet. Maybe this will encourage other lurkers to join us. [We'll try to be on our best behavior.] Second, while Stephen Pence's explanation of 'equivalence factors' is accurate, your con
Electronics Forum | Mon Sep 21 20:45:55 EDT 2009 | davef
10.4. Pre-Cure Examination. Immediately after material application, the uncured conformal coating shall be examined for: a. Bubbles and Air Entrapments. These defects shall be broken by vacuum, with a sharp probe, or other appropriate tools. b. Bridg
Electronics Forum | Fri Oct 29 11:59:35 EDT 2010 | rway
We currently have two YTV-M1 inline-systems from YesTech. I have been using them for around 3 years now. They are descent machines. If you decide to go with YesTech, go for the F1 system. This will give you the ability to upgrade with side camera
Electronics Forum | Fri Feb 25 02:30:32 EST 2011 | pkannan
Dstadem, Thanks for bringing your in valuable experience with the J STD 005 " Requirements of Solder Paste". I fully agree with you that the Solder Paste can be qualified for shelf life by doing simple viscosity test and visual inspection for coal
Electronics Forum | Mon Jul 16 15:47:52 EDT 2012 | davef
Here's what Desco says ... Humidity Indicator Card (HIC) A card on which a moisture-sensitive chemical is printed such that it will change color from blue to pink when the indicated relative humidity is exceeded. This is packed inside the moisture-se
Electronics Forum | Sat Feb 23 16:49:49 EST 2013 | joeherz
Appendix A2 of the standard says: ----------------------------------- B. Temperature controlled soldering equipment (at rest) should be controlled within +/- S'C [+/- 9'F] of the idle tip temperature. Constant output (steady output) tools in compli
Electronics Forum | Wed Sep 20 09:24:09 EDT 2017 | bstogsdill
Hi- I am attempting to determine if the "User Performance Inspections" on table 4-1 are required or are they just optional? Section 4 para 4.2 only refers to Qualification Inspection and Quality Conformance Inspections that are performed by the past
Electronics Forum | Wed Oct 17 17:36:32 EDT 2018 | davidsmullins
Thanks for all the input! I should clarify a couple things. We are a contract manufacturer; we simply build to our customer's design prints. This particular board, we outsourced because of some requirements for processes we don't do in-house. So, we
